Jingquanhua is mainly engaged in the research and development, production and sales of magnetic components, power supplies and special transformers. Jingquanhua, namely Shenzhen Jingquanhua Technology Co., Ltd., its main products include high-frequency transformers, low-frequency transformers, adapter power supplies, bare board power supplies, photovoltaic inverter power supplies, digital power supplies, three-phase transformers, and special reactors.

1. Shenzhen Jingquanhua Technology Co., Ltd. was established on June 25, 1996. Its controlling shareholders are Zhang Lipin and Dou Xiaoyue, and its actual controllers are Zhang Lipin and Dou Xiaoyue. It is headquartered in Longhua District, Shenzhen City. Shenzhen Jingquanhua Technology Co., Ltd. was established as a whole from Shenzhen Jingquanhua Electronics Co., Ltd. Shenzhen Jingquanhua Technology Co., Ltd. was listed on the Shenzhen Stock Exchange on June 27, 2017. The lead underwriter is Minsheng Securities Co., Ltd., and the listing sponsor is Minsheng Securities Co., Ltd., with the stock code 002885.

2. Shareholders of Shenzhen Jingquanhua Technology Co., Ltd.: Zhang Lipin, Wang Zhaohua, Ju Wanjin, Cheng Yang, Dou Xiaoyue, Zhang Liyang, Shenzhen Jiayingsheng Investment Management Co., Ltd., Li Zhangong, Wang Peixuan wait. Shenzhen Jingquanhua Technology Co., Ltd. has won the titles of "Guangdong Province Famous Trademark", "Guangdong Province National Famous Brand", "Shenzhen City Famous Brand", "Shenzhen City Cleaner Production Enterprise", "Shenzhen Pengcheng Waste Reduction Action Advanced Enterprise" "And other honors.

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1. The company has a R&D team and management team composed of foreign experts, doctors and masters with strong professionalism and solid technology. It is responsible for provincial and municipal science and technology plans and has cooperated with Domestic colleges and universities have signed long-term cooperation agreements and become internship bases for their schools. At the same time, they have also signed long-term technical cooperation agreements with large international companies (such as SONY, APC, POWEN-ONE), and have become long-term green Environmental protection cooperation unit. Shenzhen Jingquanhua Electronics Co., Ltd. In 2007, the company's annual output value was 160 million yuan, with sales revenue of nearly 300 million yuan. According to survey data from industry associations in terms of technology, quality, and output value, the company has been recognized as a leading unit in the industry.

2. In order to enhance the competitiveness of the company's products and increase the company's market share, the company has invested more than 2 million yuan in product certification fees every year since 1997. It has now passed UL and CUL , VDE, TUV, CE, CSA, FCC, CQC and other certifications from various countries. The company has always adhered to the policy of "quality first, customer first", with the purpose of meeting user needs, actively exploring domestic and international markets, seeking reputation with good quality, seeking development with good reputation, and constantly developing and introducing modern technology and equipment to improve the competitiveness of products.

3. In the early 20th century, the invention and popularization of household appliances such as refrigerators, washing machines, televisions, and air conditioners led to the rapid development of the magnetic components market. By the mid-20th century, the global magnetic component product market had begun to take shape. Product production and markets were mainly concentrated in developed countries such as Europe and the United States. However, because magnetic components were mostly processed manually, labor costs were high. In the 1960s, the magnetic component manufacturing industry gradually shifted from Europe and the United States to Japan, Taiwan, China and other regions, and developed a number of internationally renowned manufacturers such as Japan's TDK and Murata, and Taiwan's Delta Electronics and Lite-On Technology.